Cloud seeding and weather modification has been going on since at least the 40’s. All of you that see chemtrails in the sky and just KNOW they are not CONTRAILS, you are NOT CRAZY, and the government Knows this. There is documentation all over the web that proves the government(s) around the world have been using cloud seeding and aerosal spraying Via jets and other mechanisms for a long time. Here are just a few patents to show your family and friends.